FAN8033
6-Channel Motor Drive IC
www.fairchildsemi.com
Features
• 4-CH balanced transformerless (BTL) driver
• 2-CH (forward-reverse) control DC motor driver
• Operating supply voltage (4.5V ~ 16V)
• Built-in thermal shut down circuit (TSD)
• Built-in under voltage lockout circuit (UVLO)
• Built-in over voltage protection circuit (OVP)
• Built-in mute circuit (CH1, CH2, CH3 and CH4)
• Built-in normal op-amp
• Built-in 5V regulator with reset
Description
The FAN8033 is a monolithic integrated circuit suitable for a
6-ch motor driver which drives the tracking actuator, focus
actuator, sled motor, tray motor, change motor and spindle
motor of the CDP/CAR-CD systems.
48-QFPH-1414
Typical Applications
• Compact disk player (CDP) with tray and changer
• Video compact disk player (VCD) with tray and changer
• Automotive compact disk player (CDP) with tray and
changer
• Other compact disk media
©2000 Fairchild Semiconductor International
Ordering Information
Device Package Operating Temp.
FAN8033 48-QFPH-1414 −−−−35°°°°C ~ +85°°°°C
Rev. 1.0.2
February. 2000.
1
FAN8033
Pin Assignments
IN1.1 REG50 REG050 REF SVCC RES50 OPIN(+)OPIN(−)OPOUTPVCC2 DO1.1 DO1.2
48 47 46 45 44 43 42 41 40 39 38 37
IN1.2
OUT1
IN2.1
IN2.2
OUT2
IN3.1
IN3.2
OUT3
IN4.1
IN4.2
OUT4
CTL1
1
2
3
4
5
6
DO2.1
36
35
DO2.2
PGND3
34
DO3.1
32
DO3.2
32
PGND2
31
FAN8033
7
8
9
10
11
12
30
PGND1
DO4.1
29
DO4.2
28
DO5.1
27
26
DO5.2
DO6.1
25
13 14 15 16 17 18 19 20 21 22 23 24
FWD1 REV1 CTL FWD2 REV2 SGND MUTE1MUTE2 MUTE3 MUTE4 PVCC1DO6.2
2
Pin Definitions
Pin Number Pin Name I/O Pin Function Description
1 IN1.2 I CH 1 op-amp input (−)
2 OUT1 O CH 1 op-amp output
3 IN2.1 I CH 2 op-amp input (+)
4 IN2.2 I CH 2 op-amp input (−)
5 OUT2 O CH 2 op-amp output
6 IN3.1 I CH 3 op-amp input (+)
7 IN3.2 I CH 3 op-amp input (−)
8 OUT3 O CH 3 op-amp output
9 IN4.1 I CH 4 op-amp input (+)
10 IN4.2 I CH 4 op-amp input (−)
11 OUT4 O CH 4 op-amp output
12 CTL1 I CH 5 motor speed control
13 FWD1 I CH 5 forward input
14 REW1 I CH 5 reverse input
15 CTL2 I CH 6 motor speed control
16 FWD2 I CH 6 forward input
17 REW2 I CH 6 reverse input
18 SGND - Signal ground
19 MUTE1 I CH 1 mute
20 MUTE2 I CH 2 mute
21 MUTE3 I CH 3 mute
22 MUTE4 I CH 4 mute
23 PVCC1 - Power supply voltage (For CH 5, CH 6)
24 DO6.2 O CH 6 drive output
25 DO6.1 O CH 6 drive output
26 DO5.2 O CH 5 drive output
27 DO5.1 O CH 5 drive output
28 DO4.2 O CH 4 drive output
29 DO4.1 O CH 4 drive output
30 PGND - Power ground
31 PGND - Power ground
32 DO3.2 O CH 3 drive output
33 DO3.1 O CH 3 drive output
34 PGND - Power ground
35 DO2.2 O CH 2 drive output
36 DO2.1 O CH 2 drive output
37 DO1.2 O CH 1 drive output
38 DO1.1 O CH 1 drive output
39 PVCC2 - Power supply voltage (For CH 1, CH 2, CH 3, CH 4)
40 OPOUT O Opamp output
FAN8033
3
FAN8033
Pin Definitions (Continued)
Pin Number Pin Name I/O Pin Function Description
41 OPIN(−) I Opamp input (−)
42 OPIN(+) I Opamp input (+)
43 RES50 I Regulator 5V reset
44 SVCC - Signal supply voltage
45 REF I Bias voltage input
46 REG050 O Regulator 5V output
47 REG50 O Regulator output
48 IN1.1 I CH 1 opamp input (+)
4
Internal Block Diagram
1
IN1.2
2
OUT1
2.5V
FAN8033
DO1.2DO1.1PVCC2OPOUTOPIN(−)OPIN(+)RES50SVCCREFREG050REG50IN1.1
373839404142434445464748
−
+
ALL MUTE
−
+
T.S.D
O.V.P
DO2.1
36
DO2.2
35
IN2.1
IN2.2
OUT2
IN3.1
IN3.2
OUT3
IN4.1
IN4.2
OUT4
CTL1
3
4
5
6
7
8
9
10
11
12
+
−
+
−
+
−
+
−
−
+
−
+
−
+
−
+
MUTE4
MUTE3
MUTE2
MUTE1
S
W
S
W
+
−
+
−
+
−
+
−
M
S
C
M
S
C
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−
+
+
D
−
D
+
D
−
D
2P
2P
2P
2P
2P
2P
2P
2P
2P
2P
2P
2P
PGND3
34
33
DO3.1
DO3.2
32
PGND2
31
PGND1
30
DO4.1
29
28
DO4.2
DO5.1
27
DO5.2
26
25
DO6.1
13 14 15 16 17 18 19 20 21 22 23 24
FWD1 REV1 CTL FWD2 REV2 SGND MUTE1 MUTE2 MUTE3 MUTE4 PVCC1 DO6.2
Notes:
1. SW = Logic switch
2. MSC = Motor speed control
3. D = Output driver
5
FAN8033
Equivalent Circuit
Description Pin No. Internal circuit
Input
OPIN (+)
OPIN (−)
48, 3, 6, 9
1, 4, 7. 10
VCC VCC
48 3
6 9
10k
1 4
7 10
10k
4k
Input
2, 5, 8, 11
opout
CTL 12, 15
2 5
8 11
VCC
12 15
VCC
VCC
10k
0.1k
Vr
25k
100k
6
Equivalent Circuit (Continu ed)
Description Pin No. Internal circuit
Logic drive
FWD input
REV input
13, 16
14, 17
VCC
FAN8033
CH mute 19, 20
21, 22
Logic
drive
24, 25
26, 27
output
13 6
14 17
19 20
21 22
24 25
26 27
VCC
30k
30k
VCC
10k
30k
2k
1k
4-CH
drive
output
28, 29
32, 33
35, 36
37, 38
28 29
32 33
35
37 38
20k
36
1k
Vr
VCC
10k
10k
1k
7
FAN8033
Equivalent Circuit (Continu ed)
Description Pin No. Internal circuit
Normal
opout
40
VCC
VCC
Normal
OPIN(+)
OPIN(−)
Ref 45
42
41
40
VCC VCC
41
50
50
42
5k
VCC
45
0.1k
2k
8